Respuesta :

sum of all 5 angles of a pentagon = 540°
85 + 110 + 135 + 95 = 425 
540 - 425 = 115 
missing angle = 115
° (answer is A)

Hence the missing angle is 115 degrees

Sum of angle in a pentagon

The sum of an interior angle of a pentagon is 540 degrees

Let the value of the fifth angle be "x", hence;

x + 85°+ 110° + 135° + 95° = 540

x = 540 - (85°+ 110° + 135° + 95°)

x = 540 - 425

x = 115 degrees

Hence the missing angle is 115 degrees

Learn more on angles in a pentagon here: https://brainly.com/question/21475963